Answers

2014-07-12T17:46:57+05:30
When a body travels from a initial point and reaches the final point,then the displacement will be zero.and the distance traveled between two points is the length of the 2 points.
2 3 2
2014-07-12T20:04:01+05:30
If it's initial and final position are same . 
3 4 3